May have been born in Switzerland or Germany to Johannes Lenker and Anna Catharina Lenckin (may be a variant spelling for Lenker). He married Catharine Barbara Yeakley b: 1735 in Germany; Married: 11 September or 15 October 1757 in Augusta Lutheran Church, Trappe, Goshen Township, Chester, Pennsylvania.

Michael Lenker was a landowner in Lancaster (now Lebanon) County in 1755. By 1761, he had relocated in Northumberland County. The following tax records may be of interest to his descendants:

Michael Lenker died intestate May 16, 1797. Shortly before his death, Michael sold his farm of 150 acres to his son Jacob. The bill of sale was recorded at the Northumberland County Court House August 15, 1796. The place of burial of Michael and Catharine is unknown but is believed to be in the Stone Valley Church Cemetery, Hickory Corners, Northumberland, Pennsylvania, USA.